Here you can find the source of tanto(BigDecimal r, BigDecimal n)
public static BigDecimal tanto(BigDecimal r, BigDecimal n)
//package com.java2s; //License from project: Apache License import java.math.BigDecimal; public class Main { public static BigDecimal tanto(BigDecimal r, BigDecimal n) { return r.divide(n); }//from w w w . j av a 2 s .c o m }